Laravel Artisan command for pushing to remotes via git

Push.php

<?php

use Illuminate\Console\Command;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputOption;

class Push extends Command {

    /**
     * The console command name.
     *
     * @var string
     */
    protected $name = 'push';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Push application updates to remote';

    public function __construct()
    {
        parent::__construct();

        $this->set_version = true;
        $this->set_changelog = true;
        $this->local_path_to_git = '/usr/bin/git';
        $this->version_file = 'version.txt';
        $this->changelog_file = 'changelog.txt';
        $this->branch = 'master';
    }

    /**
     * Execute the console command.
     *
     * @return mixed
     */
    public function fire()
    {
        $remote = $this->argument('remote');

        //old habits die hard.
        if ($remote == 'prod')
        {
            $remote = 'production';
        }

        $remote_path = Config::get('remote.connections.' . $remote . '.root');
        $remote_repo_path = Config::get('remote.connections.' . $remote . '.repo_path');
        $remote_version_file = $remote_path . '/' . $this->version_file;
        $remote_changelog_file = $remote_path . '/' . $this->changelog_file;

        //creates local version.txt and local changelog.txt in project root
        if ( ! is_null($this->local_path_to_git))
        {
            if ($this->set_version)
            {
                exec($this->local_path_to_git . ' describe --tags --abbrev=0 > ' . base_path() . '/' . $this->version_file);
            }

            if ($this->set_changelog)
            {
                exec($this->local_path_to_git . ' log --date=short --cherry-pick --oneline --branches=master --format="%cd%n%s%n" --remove-empty --since=3.months > ' . base_path() . '/' . $this->changelog_file);
            }
        }

        $this->info('Pushing to ' . $remote);

        if ( ! is_null($this->option('branch')))
        {
            $this->branch = $this->option('branch');
        }

        //Git Push to chosen remote
        exec('git push ' . $remote . ' ' . $this->branch . ' --tags --force');

        $this->info('Git Push Complete');

        $commands = [
            'cd ' . $remote_repo_path,
            'GIT_WORK_TREE=' . $remote_path . ' git checkout ' . $this->branch . ' -f',
        ];

        if ($this->set_version)
        {
            array_push($commands, 'git describe --tags --abbrev=0 > ' . $remote_version_file);
        }

        if ($this->set_changelog)
        {
            array_push($commands, 'git log --date=short --cherry-pick --oneline --branches=master --format="%cd%n%s%n" --remove-empty --since=3.months > ' . $remote_changelog_file);
        }

        array_push($commands, 'cd ' . $remote_path);
        array_push($commands, 'composer install');
        array_push($commands, 'php artisan cache:clear');
        array_push($commands, 'rm -f app/storage/cache/*');
        array_push($commands, 'rm -f app/storage/views/*');
        array_push($commands, 'php artisan migrate --env=' . $remote);
        array_push($commands, 'chmod 774 -R ' . $remote_path . ' -f');

        //Remote Commands
        SSH::into($remote)->run($commands);
        $this->info('Git Checkout Complete');
        Slack::send('Application updates have been pushed to ' . $remote, true);
        $this->info('Operation Complete!');
    }

    /**
     * Get the console command arguments.
     *
     * @return array
     */
    protected function getArguments()
    {
        return array(
            array('remote', InputArgument::REQUIRED, 'Remote Host'),
        );
    }

    /**
     * Get the console command options.
     *
     * @return array
     */
    protected function getOptions()
    {
        return array(
            array('branch', null, InputOption::VALUE_OPTIONAL, 'branch', null),
        );
    }

}

thanks